Friska, V. et al. 2020. Struktur dan Karakteristik Termal Sinter Silika Mata Air Panas Panti, Pasaman. Jurnal Fisika Unand. 9, 3 (Aug. 2020), 408–414. DOI:https://doi.org/10.25077/jfu.9.3.408-414.2020.